If you are not sure, assume that an idea is not common knowledge and cite the source. It is much easier to remove a citation than it is to hunt down a citation and try to add it later. Finally, when in doubt, check with your professor.
Taking vitamin supplements will boost your energy level only if you are deficient in them. In particular, our bodies need B vitamins to release the energy in foods. The family of B vitamins includes B1, B2, B3, B5, B6, B7, B12 and folic acid. Taking large amounts won't give you extra energy, however, so it isn't wise to consume more than the recommended daily allowance.
We need an appropriate balance of all vitamins and minerals for good health, well-being and energy. However, particular nutrient deficiencies are associated with reduced energy and chronic tiredness. Both B vitamins and iron are the best nutrients for energy support. B Vitamins for Energy Support. B vitamins play a vital role in cell metabolism and the formation of red blood cells.